ASTM_B_837_-_10.pdf

Designation:B83710Standard Specification forSeamless Copper Tube for Natural Gas and LiquifiedPetroleum(LP)Gas Fuel Distribution Systems1This standard is issued under the fixed designation B837;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification establishes the requirements for TypeGAS seamless Copper UNS No.C12200 tube for use in aboveground natural gas and liquified petroleum(LP)gas fueldistribution systems,commonly assembled with flared fittingsor brazed joints.1.2 O60(soft annealed)temper gas tube is produced in therange of standard sizes38 to 118in.outside diameter;H58(drawn general purpose)temper gas tube is produced in therange of standard sizes38 to 118in.outside diameter.NOTE1Tube temper,size and joining method are determined byinstallation code requirements.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2B153 Test Method for Expansion(Pin Test)of Copper andCopper-Alloy Pipe and TubingB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8 Test Methods for Tension Testing of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E112 Test Methods for Determining Average Grain SizeE243 Practice for Electromagnetic(Eddy-Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical Composition3.Terminology3.1 For definitions of terms relating to copper and copperalloys,refer to Terminology B846.3.2 Definitions of Terms Specific to This Standard:3.2.1 liquified petroleum(LP)gas,nany of the followinghydrocarbons or mixtures of them:propane,propylene,butane(normal butane or isobutane)and butylene.3.2.2 tube,gas,ntube specifically intended for use inabove ground and natural gas and liquified petroleum gas fueldistribution systems and conforming to the particular dimen-sions known as Type GAS.4.Ordering Information4.1 Include the following information in orders for product.4.1.1 Type GAS tube(Table 1),4.1.2 Standard size(Table 1),4.1.3 Temper(Sections 5 and 7),4.1.4 Whether tension tests,Rockwell Hardness tests,andgrain size determinations are required(Section 8),4.1.5 Whether an expansion test is required(Section 9),4.1.6 Length(11.5Table 2),4.1.7 Whether the tube is to be furnished in coils or straightlengths,4.1.8 Quantity:number of straight lengths or coils required,4.1.9 Certification,if required(Section 20),and4.1.10 Mill test report,if required(Section 21).4.2 In addition,when material is purchased for agencies ofthe U.S.government,it shall conform to the SupplementaryRequirements as defined herein,when specified in the contractor purchase order.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved Oct.1,2010.Published December 2010.Originallyapproved in 1993.Last previous edition approved in 2009 as B837 01(2009).DOI:10.1520/B0837-10.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Materials and Manufacture5.1 The material shall be of such quality and purity that thefinished tube shall have the properties and characteristicsprescribed in this specification and shall be cold drawn to size.5.2 The tube shall be finished by such cold-working andannealing operations as are necessary to produce the requiredtemper and surface finish.5.3 Tubes furnished in coils shall be annealed after coiling.5.4 Tubes in straight lengths shall be furnished in the H58(Drawn General Purpose)temper,except when the O60(SoftAnneal)temper is specified in the purchase order or contract.6.Chemical Composition6.1 The material shall conform to the following chemicalrequirements of Copper UN